（1减0.05）除1.9加0.1简便 4.82减5 - 知识问答

（1减0.05）除1.9加0.1简便 4.82减5.2除0.8乘0.6简便 1.5乘[0.02除（2.1减2.09）]简

1个回答

（1减0.05）÷1.9加0.1
=0.95÷1.9+0.1
=0.5+0.1
=0.6
4.82减5.2÷0.8乘0.6
=4.82-6.5×0.6
=4.82-3.9
=0.92
1.5乘[0.02÷（2.1减2.09）]
=1.5×[0.02÷0.01]
=1.5×2
=3

相关问题